CN113560296B - Liquefied petroleum gas steel cylinder surface cleaning treatment device - Google Patents
Liquefied petroleum gas steel cylinder surface cleaning treatment device Download PDFInfo
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- CN113560296B CN113560296B CN202111125859.1A CN202111125859A CN113560296B CN 113560296 B CN113560296 B CN 113560296B CN 202111125859 A CN202111125859 A CN 202111125859A CN 113560296 B CN113560296 B CN 113560296B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
- B08B9/36—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by using brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- Mechanical Engineering (AREA)
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Abstract
本发明涉及液化石油气钢瓶表面处理技术领域，具体涉及一种液化石油气钢瓶表面清洁处理装置，包括工作台、夹持机构以及清洁机构，所述的工作台上端设置有夹持机构和清洁机构，所述的夹持机构包括夹持座、齿圈、驱动齿轮、驱动电机、滑孔、支撑杆、夹持块、夹持支链以及辅助支链，所述的清洁机构包括L型架、一号滚珠丝杠、锥齿轮、二号滚珠丝杠、带座轴承、转动电机以及清洁支链。本发明可以对不同直径和不同高度的上封头以及下封头进行夹持固定，同时采用内外夹持固定确保上封头和下封头进行转动时保持平稳，本发明可以对上封头和下封头的外侧壁和底壁同时进行清洁，提高清洁效率。
The invention relates to the technical field of surface treatment of liquefied petroleum gas cylinders, in particular to a surface cleaning and treatment device of liquefied petroleum gas cylinders, comprising a workbench, a clamping mechanism and a cleaning mechanism, wherein the upper end of the workbench is provided with a clamping mechanism and a cleaning mechanism , the clamping mechanism includes a clamping seat, a ring gear, a driving gear, a driving motor, a sliding hole, a support rod, a clamping block, a clamping branch chain and an auxiliary branch chain, and the cleaning mechanism includes an L-shaped frame, Ball screw No. 1, bevel gear, ball screw No. 2, housed bearing, rotating motor and cleaning branch. The invention can clamp and fix the upper head and the lower head with different diameters and heights, and at the same time adopts the inner and outer clamping and fixation to ensure that the upper head and the lower head are kept stable when they rotate. The outer side wall and bottom wall of the lower head are cleaned at the same time to improve the cleaning efficiency.
Description
Technical Field
The invention relates to the technical field of liquefied petroleum gas steel cylinder surface treatment, in particular to a liquefied petroleum gas steel cylinder surface cleaning treatment device.
Background
The liquefied petroleum gas steel cylinder is widely used in daily life of people as a movable pressure container, and the use safety of the steel cylinder is directly related to the safety of lives and properties of people. Because the service environment of steel bottle is very complicated, the steel bottle can receive the corruption of impact collision and humid gas, acid material easily in filling, transport and the use and can make steel bottle surface fish tail, and the corrosion attenuate of bottle wall thickness, consequently the steel bottle can be sprayed paint its surface in the production manufacturing process and protect the steel bottle, and the steel bottle surface need carry out cleaning before spraying paint, ensures that the steel bottle surface is smooth free from impurity.
As shown in fig. 9, the schematic structural diagram of the lpg cylinder, the surface cleaning device is mainly used to clean the surfaces of the upper head and the lower head of the cylinder, and the following problems still exist in the cleaning process: a. because the upper seal head and the lower seal head are both composed of annular side walls and arc-shaped bottom walls, most of the existing surface cleaning devices can only clean the side walls or the bottom walls, and the side walls and the bottom walls cannot be brushed and cleaned simultaneously; b. the existing clamping device clamps the upper head and the lower head and swings with the upper head and the lower head in the rotating process, so that the cleaning effect of the cleaning device on the surfaces of the upper head and the lower head is influenced, the existing clamping device clamps the upper head and the lower head of a certain specification steel cylinder, the application range is small, and the clamping fixation of the steel cylinders with various specifications cannot be realized.
Disclosure of Invention
The invention provides a surface cleaning treatment device for a liquefied petroleum gas steel cylinder, which can solve the problems.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a liquefied petroleum gas steel bottle surface cleaning processing apparatus, includes workstation, fixture and clean mechanism, workstation upper end be provided with fixture and clean mechanism.
The clamping mechanism comprises a clamping seat, a gear ring, a driving gear, a driving motor, a sliding hole, a supporting rod, a clamping block, a clamping branched chain and an auxiliary branched chain, wherein the upper end of the workbench is provided with a cylindrical clamping seat through a bearing, the lower end of the clamping seat penetrates through the workbench, the outer side wall of the lower end of the clamping seat is provided with the gear ring, the gear ring is externally meshed with the driving gear, the driving gear is arranged at the output end of the driving motor, the fixed end of the driving motor is arranged at the bottom of the workbench through an L-shaped plate, two groups of sliding holes which are symmetrical up and down are circumferentially and uniformly arranged on the outer side wall of the clamping seat and positioned above the workbench, the supporting rod is arranged in the sliding hole in a sliding manner and is connected with the clamping branched chain, the clamping block is uniformly distributed on the outer circumference of the clamping seat, and one end of the two supporting rods which are symmetrical up and down and far away from the clamping seat is fixed on the same clamping block, and auxiliary branched chains are uniformly arranged on the upper end surface of the workbench in the circumferential direction by taking the clamping seat as a center.
The cleaning mechanism comprises an L-shaped frame, a first ball screw, a bevel gear, a second ball screw, a bearing with a seat, a rotating motor and a cleaning branched chain, wherein the upper end surface of the workbench is fixedly provided with the L-shaped frame, the horizontal section of the L-shaped frame is positioned above the clamping seat, the second ball screw is horizontally distributed below the horizontal section of the L-shaped frame, the two ends of the second ball screw are arranged on the L-shaped frame through the bearing with the seat, the bevel gear is arranged at one end of the second ball screw, which faces the vertical section of the L-shaped frame, through a spline, the first ball screw is vertically distributed at the vertical section of the L-shaped frame, which faces one side of the clamping seat, the two ends of the first ball screw are respectively fixed on the top of the L-shaped frame and the workbench through bearings, the bevel gear is also arranged at the upper end of the first ball screw through the spline, and the bevel gear on the first ball screw is meshed with the bevel gear on the second ball screw, a ball all is provided with clean branch chain on the ball and on No. two ball, a ball is connected with the rotation motor output through the shaft coupling, the rotation motor stiff end passes through the motor cabinet and installs in the workstation bottom.
Preferably, the centre gripping branch chain include mounting groove, V type piece, control block, connecting rod and electric putter, the mounting groove has been seted up to just being located the slide opening top in the grip slipper, be provided with V type piece and V type piece corner in the mounting groove and rotate and install in the mounting groove, the inside center of grip slipper is seted up two lift grooves and lift groove that distribute from top to bottom and is linked together with the slide opening and the mounting groove that correspond the position, it is provided with the control block to slide in the lift groove, two the control block is connected through the connecting rod and the connecting rod slides and sets up in the grip slipper, electric putter is installed through the mounting bracket in the grip slipper top, electric putter lower extreme slides and runs through the grip slipper top and is connected with the control block that is located the grip slipper upper end.
Preferably, the control block outer side wall circumference evenly seted up flutedly, the position of recess and the position one-to-one of V type piece, the spout has been seted up at V type piece both ends, all slide in two spouts of V type piece and be provided with the round pin axle, and two round pin axles on every V type piece are connected with corresponding recess and bracing piece respectively.
Preferably, the auxiliary branched chain comprises an auxiliary cylinder, a movable seat, a mounting plate, a connecting plate and a roller, wherein the auxiliary cylinder is mounted at the upper end of the workbench through a cylinder seat, the output end of the auxiliary cylinder is connected with the movable seat and the movable seat is slidably arranged at the upper end of the workbench, the mounting plate is fixed at one end of the movable seat facing the clamping seat, two vertical rollers are distributed on the mounting plate facing one side of the clamping seat, and the upper end and the lower end of the roller are fixed on the mounting plate through the connecting plate.
Preferably, brushes are distributed between the roller and the mounting plate and are detachably mounted on the connecting plate.
Preferably, the grip block be L type structure, the horizontal segment of grip block slides towards workstation edge direction and its horizontal segment and sets up at the workstation up end, the terminal surface that the grip block was kept away from to the horizontal segment up end and the vertical end of grip block all is provided with the block rubber.
Preferably, the cleaning branched chain comprises a moving block, a hydraulic cylinder, a sleeve and a cleaning assembly, the moving block is in threaded connection with the first ball screw and the second ball screw, the hydraulic cylinder is installed at one end, facing the clamping seat, of the moving block, the sleeve is installed at the output end of the hydraulic cylinder, and the cleaning assembly is arranged on the sleeve.
Preferably, the cleaning assembly comprises an elastic telescopic rod, a mounting seat and a cleaning block, the elastic telescopic rod is installed in the sleeve, the telescopic end of the elastic telescopic rod is hinged to the mounting seat, and the cleaning block is installed on the mounting seat in a detachable mode.
1. The invention can clamp and fix the upper end enclosure and the lower end enclosure with different diameters and different heights, and simultaneously adopts the internal and external clamping fixation to ensure that the upper end enclosure and the lower end enclosure keep stable when rotating.
2. The clamping block can be internally supported and fixed by the upper end enclosure and the lower end enclosure through the clamping branch chain, and the outer side walls of the upper end enclosure and the lower end enclosure are externally clamped and limited by the roller on the auxiliary branch chain.
3. According to the invention, two groups of cleaning branched chains are arranged to respectively clean the outer side wall and the bottom wall of the upper seal head and the lower seal head, so that the cleaning efficiency is improved, and the two lead screws respectively drive the two cleaning branched chains to move to ensure that the outer surfaces of the upper seal head and the lower seal head are both cleaned.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of the present invention with the cleaning mechanism removed.
Fig. 3 is a cross-sectional view of the present invention with the clamping mechanism removed.
Fig. 4 is a schematic structural diagram of the clamping seat, the clamping block, the supporting rod and the electric push rod in the invention.
Fig. 5 is a partial enlarged view of the invention at B in fig. 2.
FIG. 6 is a schematic diagram of a control block according to the present invention.
Fig. 7 is an enlarged view of a portion a of fig. 1 according to the present invention.
Fig. 8 is an enlarged view of a portion of the invention at C in fig. 3.
FIG. 9 is a schematic view showing the structure of a liquefied petroleum gas cylinder to be processed according to the present invention.
In the figure: 100. a base; 200. a lower end enclosure; 300. an upper end enclosure; 400. a shield; 1. a work table; 2. a clamping mechanism; 21. a clamping seat; 22. a ring gear; 23. a drive gear; 24. a drive motor; 25. a slide hole; 26. a support bar; 27. a clamping block; 271. a rubber block; 28. clamping the branched chain; 281. mounting grooves; 282. a V-shaped block; 283. a control block; 284. a connecting rod; 285. an electric push rod; 286. a groove; 287. a chute; 29. an auxiliary branched chain; 291. an auxiliary cylinder; 292. a movable seat; 293. mounting a plate; 294. a connecting plate; 295. a roller; 296. a brush; 3. a cleaning mechanism; 31. an L-shaped frame; 32. a first ball screw; 33. a bevel gear; 34. a second ball screw; 35. a pedestal bearing; 36. rotating the motor; 37. cleaning the branched chain; 371. a moving block; 372. a hydraulic cylinder; 373. a sleeve; 374. a cleaning assembly; 3741. an elastic telescopic rod; 3742. a mounting seat; 3743. and (4) cleaning the block.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
Referring to fig. 1 and 2, the surface cleaning device for the liquefied petroleum gas steel cylinder comprises a workbench 1, a clamping mechanism 2 and a cleaning mechanism 3, wherein the clamping mechanism 2 and the cleaning mechanism 3 are arranged at the upper end of the workbench 1.
Referring to fig. 2, 4, 5 and 7, the clamping mechanism 2 includes a clamping seat 21, a gear ring 22, a driving gear 23, a driving motor 24, a sliding hole 25, a supporting rod 26, a clamping block 27, a clamping branched chain 28 and an auxiliary branched chain 29, the upper end of the worktable 1 is provided with the cylindrical clamping seat 21 through a bearing, the lower end of the clamping seat 21 penetrates through the worktable 1 and the outer side wall of the lower end is provided with the gear ring 22, the gear ring 22 is externally engaged with the driving gear 23, the driving gear 23 is installed at the output end of the driving motor 24, the fixed end of the driving motor 24 is installed at the bottom of the worktable 1 through an L-shaped plate, two sets of sliding holes 25 which are symmetrical up and down are circumferentially and evenly arranged on the outer side wall of the clamping seat 21 and above the worktable 1, the supporting rod 26 is slidably arranged in the sliding hole 25, the supporting rod 26 is connected with the clamping branched chain 28, the clamping block 27 is evenly distributed in the circumferential direction outside the clamping seat 21, two bracing pieces 26 of longitudinal symmetry keep away from the one end of grip slipper 21 and fix on same grip block 27, the upper end of workstation 1 uses grip slipper 21 as the even auxiliary branch chain 29 that is provided with of circumference of center.
The grip block 27 be L type structure, the horizontal segment of grip block 27 slides towards 1 edge direction of workstation and its horizontal segment and sets up at workstation 1 up end, the terminal surface that grip block 27's horizontal segment up end and vertical end kept away from grip slipper 21 all is provided with block rubber 271.
In the specific work, the liquefied petroleum gas steel cylinder is mainly divided into a base 100, a lower seal head 200, an upper seal head 300, a shield 400 and a cylinder valve, the surface cleaning is mainly carried out on the upper seal head 300 and the lower seal head 200, the surface cleaning is carried out on the lower seal head 200 according to the embodiment of the invention, the clamping block 27 is an L-shaped structure, the opening of the lower seal head 200 can be downwards placed on the clamping block 27, the condition that the opening end of the lower seal head 200 is contacted with the workbench 1 to influence the clamping mechanism 2 to drive the lower seal head 200 to synchronously rotate is avoided, and meanwhile, the rubber block 271 is arranged on the clamping block 27 to increase the friction force between the clamping block 27 and the lower seal head 200; make bracing piece 26 drive grip block 27 to the direction removal of keeping away from grip slipper 21 through centre gripping branched chain 28, thereby realize supporting in the low head 200 and fix, then carry out spacing centre gripping to low head 200 lateral wall through supplementary branched chain 29, ensure that low head 200 keeps steadily at the rotation in-process, later driving motor 24 drives ring gear 22 through drive gear 23 and rotates, thereby grip slipper 21 drives grip block 27 synchronous rotation through bracing piece 26, and then drive low head 200 synchronous rotation, so that cleaning mechanism 3 carries out cleaning to the surface of low head 200.
Referring to fig. 5, the clamping branched chain 28 includes a mounting groove 281, a V-shaped block 282, a control block 283, a connecting rod 284 and an electric push rod 285, the mounting groove 281 is formed in the clamping seat 21 and located above the sliding hole 25, the mounting groove 281 is provided with the V-shaped block 282 in the mounting groove 281, the corner of the V-shaped block 282 is rotatably mounted in the mounting groove 281, two lifting grooves are formed in the center of the inside of the clamping seat 21 and vertically distributed, the lifting grooves are communicated with the sliding hole 25 and the mounting groove 281 at the corresponding positions, the control block 283 is slidably arranged in the lifting grooves, the two control blocks 283 are connected through the connecting rod 284, the connecting rod 284 is slidably arranged in the clamping seat 21, the electric push rod 285 is mounted at the top of the clamping seat 21 through the mounting frame, and the lower end of the electric push rod 285 slidably penetrates through the top of the clamping seat 21 and is connected with the control block 283 located at the upper end of the clamping seat 21.
Referring to fig. 5 and 6, grooves 286 are uniformly formed in the outer side wall of the control block 283 in the circumferential direction, the positions of the grooves 286 correspond to the positions of the V-shaped blocks 282 one by one, sliding grooves 287 are formed at two ends of the V-shaped blocks 282, pin shafts are slidably arranged in the two sliding grooves 287 of the V-shaped blocks 282, and the two pin shafts on each V-shaped block 282 are respectively connected with the corresponding groove 286 and the support rod 26.
During specific work, the output end of the electric push rod 285 drives one control block 283 to move downwards, and simultaneously, under the action of the connecting rod 284, the other control block 283 also moves downwards synchronously, so that the V-shaped block 282 is driven to rotate by taking a corner as a center, and the V-shaped block 282 drives the clamping block 27 to move towards a direction far away from the clamping seat 21 through the supporting rod 26, so that the clamping block 27 supports and fixes the lower end enclosure 200; when the control block 283 moves up and down, the pin shaft on the control block is in sliding fit with the sliding groove 287 at one end of the V-shaped block 282 so as to drive the V-shaped block 282 to rotate, and simultaneously, the sliding groove 287 at the other end of the V-shaped block 282 is in sliding fit with the pin shaft on the support rod 26 so that the V-shaped block 282 drives the support rod 26 to slide in the sliding hole 25.
Referring to fig. 1, 2 and 7, the auxiliary branched chain 29 includes an auxiliary cylinder 291, a moving seat 292, a mounting plate 293, a connecting plate 294 and rollers 295, the auxiliary cylinder 291 is mounted at the upper end of the workbench 1 through the cylinder seat, the moving seat 292 is connected to the output end of the auxiliary cylinder 291 and slidably disposed at the upper end of the workbench 1, the mounting plate 293 is fixed at one end of the moving seat 292 facing the clamping seat 21, two vertical rollers 295 are distributed on the mounting plate 293 facing one side of the clamping seat 21, and the upper and lower ends of the rollers 295 are fixed on the mounting plate 293 through the connecting plate 294.
The brush 296 is distributed between the roller 295 and the mounting plate 293 and the brush 296 is detachably mounted on the connecting plate 294.
During specific work, the auxiliary cylinder 291 drives the mounting plate 293 to move towards the clamping seat 21 through the moving seat 292 until the roller 295 contacts with the outer surface of the lower seal head 200, so that the roller 295 can externally clamp and limit the lower seal head 200, and finally, the inner and outer clamping and fixing of the lower seal head 200 are realized, and the lower seal head 200 can stably rotate when the cleaning mechanism 3 cleans the surface of the lower seal head 200; the invention cleans the surface of the roller 295 by the brush 296, prevents impurities such as sand shakeout and sand grains on the surface of the roller 295 from wearing the surface of the lower seal head 200, and the brush 296 is detachably arranged on the connecting plate 294 so as to clean and replace the brush 296 regularly.
Referring to fig. 1, 3, 7 and 8, the cleaning mechanism 3 includes an L-shaped frame 31, a first ball screw 32, a bevel gear 33, a second ball screw 34, a seated bearing 35, a rotating motor 36 and a cleaning branched chain 37, the L-shaped frame 31 is fixedly installed on the upper end surface of the worktable 1, a horizontal section of the L-shaped frame 31 is located above the clamping seat 21, the second ball screw 34 is horizontally distributed below a horizontal section of the L-shaped frame 31, two ends of the second ball screw 34 are installed on the L-shaped frame 31 through the seated bearing 35, one end of the second ball screw 34 facing a vertical section of the L-shaped frame 31 is installed with the bevel gear 33 through a spline, one end of the vertical section of the L-shaped frame 31 facing the clamping seat 21 is vertically distributed with the first ball screw 32, two ends of the first ball screw 32 are respectively fixed on the top of the L-shaped frame 31 and the worktable 1 through a bearing, the upper end of the first ball screw 32 is also installed with the bevel gear 33, bevel gears 33 on the first ball screw 32 are meshed with bevel gears 33 on the second ball screw 34, cleaning branched chains 37 are arranged on the first ball screw 32 and the second ball screw 34, the first ball screw 32 is connected with the output end of a rotating motor 36 through a coupler, and the fixed end of the rotating motor 36 is installed at the bottom of the workbench 1 through a motor base.
During specific work, the working end of the cleaning branch chain 37 is moved to be in contact with the surface of the lower seal head 200 so that the cleaning branch chain 37 starts cleaning the surface of the lower seal head 200, then the first ball screw 32 is driven to rotate by the rotating motor 36, the cleaning branch chain 37 on the first ball screw 32 moves up and down so as to ensure that the outer side wall surface of the lower seal head 200 is uniformly brushed and cleaned, meanwhile, the second ball screw 34 synchronously rotates under the action of the bevel gear 33, and then the cleaning branch chain 37 on the second ball screw 34 moves along the axis of the second ball screw 34 and uniformly brushes and cleans the outer surface of the bottom of the lower seal head 200.
The cleaning branched chain 37 comprises a moving block 371, a hydraulic cylinder 372, a sleeve 373 and a cleaning component 374, the moving block 371 is in threaded connection with the first ball screw 32 and the second ball screw 34, the hydraulic cylinder 372 is installed at one end, facing the clamping seat 21, of the moving block 371, the sleeve 373 is installed at the output end of the hydraulic cylinder 372, and the cleaning component 374 is arranged on the sleeve 373.
The cleaning assembly 374 comprises an elastic expansion link 3741, a mounting seat 3742 and a cleaning block 3743, the elastic expansion link 3741 is installed in the sleeve 373, the expansion end of the elastic expansion link 3741 is hinged with the mounting seat 3742, and the cleaning block 3743 is detachably installed on the mounting seat 3742.
In the specific operation, the cleaning assembly 374 is moved towards the lower sealing head 200 by the hydraulic cylinder 372 until the cleaning assembly contacts with the surface of the lower sealing head 200, the cleaning block 3743 is always contacted with the surface of the lower sealing head 200 by the elastic telescopic rod 3741 so as to ensure that the surface of the lower sealing head 200 can be cleaned, and the mounting seat 3742 is arranged in a ball-hinged mode to ensure that the cleaning block 3743 always faces the outer surface of the lower sealing head 200 because the bottom of the lower sealing head 200 is an arc-shaped surface, and meanwhile, the cleaning block 3743 is detachably mounted on the cleaning block 3743 so that a new cleaning block 3743 can be quickly replaced at a later stage.
The invention comprises the following working steps: the first step is as follows: firstly, the lower end enclosure 200 to be cleaned is placed on the clamping block 27, then the clamping block 27 is used for carrying out inner supporting fixation on the lower end enclosure 200 through the clamping branch chain 28, and meanwhile, the lower end enclosure 200 is externally clamped and limited through the auxiliary branch chain 29, so that the stability of the rotation of the lower end enclosure 200 is ensured.
The second step is that: make cleaning block 3743 and lower head 200 surface contact so that carry out cleaning process to lower head 200 surface through pneumatic cylinder 372, then make ball 32 and No. two ball 34 all rotate through rotating motor 36 to drive cleaning block 3743 through movable block 371 and remove, ensure that lower head 200 surface can both be cleaned and processed to.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111125859.1A CN113560296B (en) | 2021-09-26 | 2021-09-26 | Liquefied petroleum gas steel cylinder surface cleaning treatment device |
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| CN202111125859.1A CN113560296B (en) | 2021-09-26 | 2021-09-26 | Liquefied petroleum gas steel cylinder surface cleaning treatment device |
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| CN113560296A CN113560296A (en) | 2021-10-29 |
| CN113560296B true CN113560296B (en) | 2021-12-07 |
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| CN114054452A (en) * | 2021-11-19 | 2022-02-18 | 深圳安博信息科技有限公司 | Cleaning system for surface of steel cylinder |
| CN114098172B (en) * | 2021-12-20 | 2022-07-22 | 深圳市新云雾科技有限公司 | Automatic oil filling equipment for atomizer production |
| CN114618848A (en) * | 2022-03-23 | 2022-06-14 | 北华大学 | Animal biochemical experiment glass instrument washing cleaning device |
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